目的 测试手持型肌力测定仪OE-210测定下肢肌力的信度与效度。方法 2016年3月1日至4月30日,正常青年人38名,由2位治疗师分别使用OE-210进行股四头肌和腘绳肌肌力测定,其中一位治疗师在3 d后重复测试1次。受试者1 d后接受下肢等速肌力测试。计算组内相关系数(ICC),OE-210测试结果与等速测试结果进行Pearson相关分析。结果 同一测试者重复测量ICC=0.718~0.924;不同测试者间ICC=0.784~0.870。OE-210测试结果与等速测试峰力矩正显著相关性(P<0.001),其中股四头肌轻中度相关(r=0.270~0.413),腘绳肌高度相关(r=0.582~0.668)。结论 OE-210肌力测定仪测试下肢股四头肌、腘绳肌的信度良好,而确保其使用效度的条件尚需进一步研究。
Objective To investigate the reliability and validity of a novel hand-held dynamometer, OE-210, for muscles strength of lower extremities. Methods From March 1st to August 30th, 2016, 38 young adults were tested the muscle strength of quadriceps and hamstrings with OE-210 dynamometer by 2 rators, and were retested by one of the raters three days later. The isokinetic test was also conducted on all the subjects one day afterwards. The intraclass correlation coefficient (ICC) of OE-210 test Results and the Pearson's correlation coefficient between Results of OE-210 and isokinetic test were calculated. Results The ICC of test-retest were 0.718 to 0.924, and the ICC of inter-rater were 0.784 to 0.870. The correlation between muscle performance measured with 2 tools were significant (P<0.001), that was light to medium on quadriceps (r=0.270-0.413), and strong on hamstrings (r=0.582-0.668). Conclusion OE-210 dynamometer was reliable for muscle strength measurement on quadriceps and hamstrings, and the conditions for valid application need further research.
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